// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Code generated by sidekick. DO NOT EDIT.

#[allow(unused_imports)]
use super::*;

#[doc(hidden)]
impl serde::ser::Serialize for super::AggregationResult {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.aggregate_fields.is_empty() {
            state.serialize_entry("aggregateFields", &self.aggregate_fields)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::BitSequence {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.bitmap.is_empty() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("bitmap", &__With(&self.bitmap))?;
        }
        if !wkt::internal::is_default(&self.padding) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("padding", &__With(&self.padding))?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::BloomFilter {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.bits.is_some() {
            state.serialize_entry("bits", &self.bits)?;
        }
        if !wkt::internal::is_default(&self.hash_count) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("hashCount", &__With(&self.hash_count))?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::DocumentMask {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.field_paths.is_empty() {
            state.serialize_entry("fieldPaths", &self.field_paths)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::Precondition {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if let Some(value) = self.exists() {
            state.serialize_entry("exists", value)?;
        }
        if let Some(value) = self.update_time() {
            state.serialize_entry("updateTime", value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::TransactionOptions {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if let Some(value) = self.read_only() {
            state.serialize_entry("readOnly", value)?;
        }
        if let Some(value) = self.read_write() {
            state.serialize_entry("readWrite", value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::transaction_options::ReadWrite {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.retry_transaction.is_empty() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("retryTransaction", &__With(&self.retry_transaction))?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::transaction_options::ReadOnly {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if let Some(value) = self.read_time() {
            state.serialize_entry("readTime", value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::Document {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.name.is_empty() {
            state.serialize_entry("name", &self.name)?;
        }
        if !self.fields.is_empty() {
            state.serialize_entry("fields", &self.fields)?;
        }
        if self.create_time.is_some() {
            state.serialize_entry("createTime", &self.create_time)?;
        }
        if self.update_time.is_some() {
            state.serialize_entry("updateTime", &self.update_time)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::Value {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if let Some(value) = self.null_value() {
            state.serialize_entry("nullValue", value)?;
        }
        if let Some(value) = self.boolean_value() {
            state.serialize_entry("booleanValue", value)?;
        }
        if let Some(value) = self.integer_value() {
            struct __With<'a>(&'a i64);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("integerValue", &__With(value))?;
        }
        if let Some(value) = self.double_value() {
            struct __With<'a>(&'a f64);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::F64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("doubleValue", &__With(value))?;
        }
        if let Some(value) = self.timestamp_value() {
            state.serialize_entry("timestampValue", value)?;
        }
        if let Some(value) = self.string_value() {
            state.serialize_entry("stringValue", value)?;
        }
        if let Some(value) = self.bytes_value() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("bytesValue", &__With(value))?;
        }
        if let Some(value) = self.reference_value() {
            state.serialize_entry("referenceValue", value)?;
        }
        if let Some(value) = self.geo_point_value() {
            state.serialize_entry("geoPointValue", value)?;
        }
        if let Some(value) = self.array_value() {
            state.serialize_entry("arrayValue", value)?;
        }
        if let Some(value) = self.map_value() {
            state.serialize_entry("mapValue", value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::ArrayValue {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.values.is_empty() {
            state.serialize_entry("values", &self.values)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::MapValue {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.fields.is_empty() {
            state.serialize_entry("fields", &self.fields)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::GetDocumentRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.name.is_empty() {
            state.serialize_entry("name", &self.name)?;
        }
        if self.mask.is_some() {
            state.serialize_entry("mask", &self.mask)?;
        }
        if let Some(value) = self.transaction() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("transaction", &__With(value))?;
        }
        if let Some(value) = self.read_time() {
            state.serialize_entry("readTime", value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::ListDocumentsRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.parent.is_empty() {
            state.serialize_entry("parent", &self.parent)?;
        }
        if !self.collection_id.is_empty() {
            state.serialize_entry("collectionId", &self.collection_id)?;
        }
        if !wkt::internal::is_default(&self.page_size) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("pageSize", &__With(&self.page_size))?;
        }
        if !self.page_token.is_empty() {
            state.serialize_entry("pageToken", &self.page_token)?;
        }
        if !self.order_by.is_empty() {
            state.serialize_entry("orderBy", &self.order_by)?;
        }
        if self.mask.is_some() {
            state.serialize_entry("mask", &self.mask)?;
        }
        if let Some(value) = self.transaction() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("transaction", &__With(value))?;
        }
        if let Some(value) = self.read_time() {
            state.serialize_entry("readTime", value)?;
        }
        if !wkt::internal::is_default(&self.show_missing) {
            state.serialize_entry("showMissing", &self.show_missing)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::ListDocumentsResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.documents.is_empty() {
            state.serialize_entry("documents", &self.documents)?;
        }
        if !self.next_page_token.is_empty() {
            state.serialize_entry("nextPageToken", &self.next_page_token)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::CreateDocumentRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.parent.is_empty() {
            state.serialize_entry("parent", &self.parent)?;
        }
        if !self.collection_id.is_empty() {
            state.serialize_entry("collectionId", &self.collection_id)?;
        }
        if !self.document_id.is_empty() {
            state.serialize_entry("documentId", &self.document_id)?;
        }
        if self.document.is_some() {
            state.serialize_entry("document", &self.document)?;
        }
        if self.mask.is_some() {
            state.serialize_entry("mask", &self.mask)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::UpdateDocumentRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.document.is_some() {
            state.serialize_entry("document", &self.document)?;
        }
        if self.update_mask.is_some() {
            state.serialize_entry("updateMask", &self.update_mask)?;
        }
        if self.mask.is_some() {
            state.serialize_entry("mask", &self.mask)?;
        }
        if self.current_document.is_some() {
            state.serialize_entry("currentDocument", &self.current_document)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::DeleteDocumentRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.name.is_empty() {
            state.serialize_entry("name", &self.name)?;
        }
        if self.current_document.is_some() {
            state.serialize_entry("currentDocument", &self.current_document)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::BatchGetDocumentsRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.database.is_empty() {
            state.serialize_entry("database", &self.database)?;
        }
        if !self.documents.is_empty() {
            state.serialize_entry("documents", &self.documents)?;
        }
        if self.mask.is_some() {
            state.serialize_entry("mask", &self.mask)?;
        }
        if let Some(value) = self.transaction() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("transaction", &__With(value))?;
        }
        if let Some(value) = self.new_transaction() {
            state.serialize_entry("newTransaction", value)?;
        }
        if let Some(value) = self.read_time() {
            state.serialize_entry("readTime", value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::BatchGetDocumentsResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if let Some(value) = self.found() {
            state.serialize_entry("found", value)?;
        }
        if let Some(value) = self.missing() {
            state.serialize_entry("missing", value)?;
        }
        if !self.transaction.is_empty() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("transaction", &__With(&self.transaction))?;
        }
        if self.read_time.is_some() {
            state.serialize_entry("readTime", &self.read_time)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::BeginTransactionRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.database.is_empty() {
            state.serialize_entry("database", &self.database)?;
        }
        if self.options.is_some() {
            state.serialize_entry("options", &self.options)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::BeginTransactionResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.transaction.is_empty() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("transaction", &__With(&self.transaction))?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::CommitRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.database.is_empty() {
            state.serialize_entry("database", &self.database)?;
        }
        if !self.writes.is_empty() {
            state.serialize_entry("writes", &self.writes)?;
        }
        if !self.transaction.is_empty() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("transaction", &__With(&self.transaction))?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::CommitResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.write_results.is_empty() {
            state.serialize_entry("writeResults", &self.write_results)?;
        }
        if self.commit_time.is_some() {
            state.serialize_entry("commitTime", &self.commit_time)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::RollbackRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.database.is_empty() {
            state.serialize_entry("database", &self.database)?;
        }
        if !self.transaction.is_empty() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("transaction", &__With(&self.transaction))?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::RunQueryRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.parent.is_empty() {
            state.serialize_entry("parent", &self.parent)?;
        }
        if let Some(value) = self.structured_query() {
            state.serialize_entry("structuredQuery", value)?;
        }
        if let Some(value) = self.transaction() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("transaction", &__With(value))?;
        }
        if let Some(value) = self.new_transaction() {
            state.serialize_entry("newTransaction", value)?;
        }
        if let Some(value) = self.read_time() {
            state.serialize_entry("readTime", value)?;
        }
        if self.explain_options.is_some() {
            state.serialize_entry("explainOptions", &self.explain_options)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::RunQueryResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.transaction.is_empty() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("transaction", &__With(&self.transaction))?;
        }
        if self.document.is_some() {
            state.serialize_entry("document", &self.document)?;
        }
        if self.read_time.is_some() {
            state.serialize_entry("readTime", &self.read_time)?;
        }
        if !wkt::internal::is_default(&self.skipped_results) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("skippedResults", &__With(&self.skipped_results))?;
        }
        if let Some(value) = self.done() {
            state.serialize_entry("done", value)?;
        }
        if self.explain_metrics.is_some() {
            state.serialize_entry("explainMetrics", &self.explain_metrics)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::RunAggregationQueryRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.parent.is_empty() {
            state.serialize_entry("parent", &self.parent)?;
        }
        if let Some(value) = self.structured_aggregation_query() {
            state.serialize_entry("structuredAggregationQuery", value)?;
        }
        if let Some(value) = self.transaction() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("transaction", &__With(value))?;
        }
        if let Some(value) = self.new_transaction() {
            state.serialize_entry("newTransaction", value)?;
        }
        if let Some(value) = self.read_time() {
            state.serialize_entry("readTime", value)?;
        }
        if self.explain_options.is_some() {
            state.serialize_entry("explainOptions", &self.explain_options)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::RunAggregationQueryResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.result.is_some() {
            state.serialize_entry("result", &self.result)?;
        }
        if !self.transaction.is_empty() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("transaction", &__With(&self.transaction))?;
        }
        if self.read_time.is_some() {
            state.serialize_entry("readTime", &self.read_time)?;
        }
        if self.explain_metrics.is_some() {
            state.serialize_entry("explainMetrics", &self.explain_metrics)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::PartitionQueryRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.parent.is_empty() {
            state.serialize_entry("parent", &self.parent)?;
        }
        if let Some(value) = self.structured_query() {
            state.serialize_entry("structuredQuery", value)?;
        }
        if !wkt::internal::is_default(&self.partition_count) {
            struct __With<'a>(&'a i64);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("partitionCount", &__With(&self.partition_count))?;
        }
        if !self.page_token.is_empty() {
            state.serialize_entry("pageToken", &self.page_token)?;
        }
        if !wkt::internal::is_default(&self.page_size) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("pageSize", &__With(&self.page_size))?;
        }
        if let Some(value) = self.read_time() {
            state.serialize_entry("readTime", value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::PartitionQueryResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.partitions.is_empty() {
            state.serialize_entry("partitions", &self.partitions)?;
        }
        if !self.next_page_token.is_empty() {
            state.serialize_entry("nextPageToken", &self.next_page_token)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::WriteRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.database.is_empty() {
            state.serialize_entry("database", &self.database)?;
        }
        if !self.stream_id.is_empty() {
            state.serialize_entry("streamId", &self.stream_id)?;
        }
        if !self.writes.is_empty() {
            state.serialize_entry("writes", &self.writes)?;
        }
        if !self.stream_token.is_empty() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("streamToken", &__With(&self.stream_token))?;
        }
        if !self.labels.is_empty() {
            state.serialize_entry("labels", &self.labels)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::WriteResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.stream_id.is_empty() {
            state.serialize_entry("streamId", &self.stream_id)?;
        }
        if !self.stream_token.is_empty() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("streamToken", &__With(&self.stream_token))?;
        }
        if !self.write_results.is_empty() {
            state.serialize_entry("writeResults", &self.write_results)?;
        }
        if self.commit_time.is_some() {
            state.serialize_entry("commitTime", &self.commit_time)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::ListenRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.database.is_empty() {
            state.serialize_entry("database", &self.database)?;
        }
        if let Some(value) = self.add_target() {
            state.serialize_entry("addTarget", value)?;
        }
        if let Some(value) = self.remove_target() {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("removeTarget", &__With(value))?;
        }
        if !self.labels.is_empty() {
            state.serialize_entry("labels", &self.labels)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::ListenResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if let Some(value) = self.target_change() {
            state.serialize_entry("targetChange", value)?;
        }
        if let Some(value) = self.document_change() {
            state.serialize_entry("documentChange", value)?;
        }
        if let Some(value) = self.document_delete() {
            state.serialize_entry("documentDelete", value)?;
        }
        if let Some(value) = self.document_remove() {
            state.serialize_entry("documentRemove", value)?;
        }
        if let Some(value) = self.filter() {
            state.serialize_entry("filter", value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::Target {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if let Some(value) = self.query() {
            state.serialize_entry("query", value)?;
        }
        if let Some(value) = self.documents() {
            state.serialize_entry("documents", value)?;
        }
        if let Some(value) = self.resume_token() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("resumeToken", &__With(value))?;
        }
        if let Some(value) = self.read_time() {
            state.serialize_entry("readTime", value)?;
        }
        if !wkt::internal::is_default(&self.target_id) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("targetId", &__With(&self.target_id))?;
        }
        if !wkt::internal::is_default(&self.once) {
            state.serialize_entry("once", &self.once)?;
        }
        if self.expected_count.is_some() {
            struct __With<'a>(&'a std::option::Option<wkt::Int32Value>);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<std::option::Option<wkt::internal::I32>>::serialize(
                        self.0, serializer,
                    )
                }
            }
            state.serialize_entry("expectedCount", &__With(&self.expected_count))?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::target::DocumentsTarget {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.documents.is_empty() {
            state.serialize_entry("documents", &self.documents)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::target::QueryTarget {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.parent.is_empty() {
            state.serialize_entry("parent", &self.parent)?;
        }
        if let Some(value) = self.structured_query() {
            state.serialize_entry("structuredQuery", value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::TargetChange {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !wkt::internal::is_default(&self.target_change_type) {
            state.serialize_entry("targetChangeType", &self.target_change_type)?;
        }
        if !self.target_ids.is_empty() {
            struct __With<'a>(&'a std::vec::Vec<i32>);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<std::vec::Vec<wkt::internal::I32>>::serialize(
                        self.0, serializer,
                    )
                }
            }
            state.serialize_entry("targetIds", &__With(&self.target_ids))?;
        }
        if self.cause.is_some() {
            state.serialize_entry("cause", &self.cause)?;
        }
        if !self.resume_token.is_empty() {
            struct __With<'a>(&'a ::bytes::Bytes);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<serde_with::base64::Base64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("resumeToken", &__With(&self.resume_token))?;
        }
        if self.read_time.is_some() {
            state.serialize_entry("readTime", &self.read_time)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::ListCollectionIdsRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.parent.is_empty() {
            state.serialize_entry("parent", &self.parent)?;
        }
        if !wkt::internal::is_default(&self.page_size) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("pageSize", &__With(&self.page_size))?;
        }
        if !self.page_token.is_empty() {
            state.serialize_entry("pageToken", &self.page_token)?;
        }
        if let Some(value) = self.read_time() {
            state.serialize_entry("readTime", value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::ListCollectionIdsResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.collection_ids.is_empty() {
            state.serialize_entry("collectionIds", &self.collection_ids)?;
        }
        if !self.next_page_token.is_empty() {
            state.serialize_entry("nextPageToken", &self.next_page_token)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::BatchWriteRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.database.is_empty() {
            state.serialize_entry("database", &self.database)?;
        }
        if !self.writes.is_empty() {
            state.serialize_entry("writes", &self.writes)?;
        }
        if !self.labels.is_empty() {
            state.serialize_entry("labels", &self.labels)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::BatchWriteResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.write_results.is_empty() {
            state.serialize_entry("writeResults", &self.write_results)?;
        }
        if !self.status.is_empty() {
            state.serialize_entry("status", &self.status)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::StructuredQuery {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.select.is_some() {
            state.serialize_entry("select", &self.select)?;
        }
        if !self.from.is_empty() {
            state.serialize_entry("from", &self.from)?;
        }
        if self.r#where.is_some() {
            state.serialize_entry("where", &self.r#where)?;
        }
        if !self.order_by.is_empty() {
            state.serialize_entry("orderBy", &self.order_by)?;
        }
        if self.start_at.is_some() {
            state.serialize_entry("startAt", &self.start_at)?;
        }
        if self.end_at.is_some() {
            state.serialize_entry("endAt", &self.end_at)?;
        }
        if !wkt::internal::is_default(&self.offset) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("offset", &__With(&self.offset))?;
        }
        if self.limit.is_some() {
            struct __With<'a>(&'a std::option::Option<wkt::Int32Value>);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<std::option::Option<wkt::internal::I32>>::serialize(
                        self.0, serializer,
                    )
                }
            }
            state.serialize_entry("limit", &__With(&self.limit))?;
        }
        if self.find_nearest.is_some() {
            state.serialize_entry("findNearest", &self.find_nearest)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::structured_query::CollectionSelector {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.collection_id.is_empty() {
            state.serialize_entry("collectionId", &self.collection_id)?;
        }
        if !wkt::internal::is_default(&self.all_descendants) {
            state.serialize_entry("allDescendants", &self.all_descendants)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::structured_query::Filter {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if let Some(value) = self.composite_filter() {
            state.serialize_entry("compositeFilter", value)?;
        }
        if let Some(value) = self.field_filter() {
            state.serialize_entry("fieldFilter", value)?;
        }
        if let Some(value) = self.unary_filter() {
            state.serialize_entry("unaryFilter", value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::structured_query::CompositeFilter {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !wkt::internal::is_default(&self.op) {
            state.serialize_entry("op", &self.op)?;
        }
        if !self.filters.is_empty() {
            state.serialize_entry("filters", &self.filters)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::structured_query::FieldFilter {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.field.is_some() {
            state.serialize_entry("field", &self.field)?;
        }
        if !wkt::internal::is_default(&self.op) {
            state.serialize_entry("op", &self.op)?;
        }
        if self.value.is_some() {
            state.serialize_entry("value", &self.value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::structured_query::UnaryFilter {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !wkt::internal::is_default(&self.op) {
            state.serialize_entry("op", &self.op)?;
        }
        if let Some(value) = self.field() {
            state.serialize_entry("field", value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::structured_query::Order {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.field.is_some() {
            state.serialize_entry("field", &self.field)?;
        }
        if !wkt::internal::is_default(&self.direction) {
            state.serialize_entry("direction", &self.direction)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::structured_query::FieldReference {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.field_path.is_empty() {
            state.serialize_entry("fieldPath", &self.field_path)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::structured_query::Projection {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.fields.is_empty() {
            state.serialize_entry("fields", &self.fields)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::structured_query::FindNearest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.vector_field.is_some() {
            state.serialize_entry("vectorField", &self.vector_field)?;
        }
        if self.query_vector.is_some() {
            state.serialize_entry("queryVector", &self.query_vector)?;
        }
        if !wkt::internal::is_default(&self.distance_measure) {
            state.serialize_entry("distanceMeasure", &self.distance_measure)?;
        }
        if self.limit.is_some() {
            struct __With<'a>(&'a std::option::Option<wkt::Int32Value>);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<std::option::Option<wkt::internal::I32>>::serialize(
                        self.0, serializer,
                    )
                }
            }
            state.serialize_entry("limit", &__With(&self.limit))?;
        }
        if !self.distance_result_field.is_empty() {
            state.serialize_entry("distanceResultField", &self.distance_result_field)?;
        }
        if self.distance_threshold.is_some() {
            struct __With<'a>(&'a std::option::Option<wkt::DoubleValue>);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<std::option::Option<wkt::internal::F64>>::serialize(
                        self.0, serializer,
                    )
                }
            }
            state.serialize_entry("distanceThreshold", &__With(&self.distance_threshold))?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::StructuredAggregationQuery {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if let Some(value) = self.structured_query() {
            state.serialize_entry("structuredQuery", value)?;
        }
        if !self.aggregations.is_empty() {
            state.serialize_entry("aggregations", &self.aggregations)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::structured_aggregation_query::Aggregation {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if let Some(value) = self.count() {
            state.serialize_entry("count", value)?;
        }
        if let Some(value) = self.sum() {
            state.serialize_entry("sum", value)?;
        }
        if let Some(value) = self.avg() {
            state.serialize_entry("avg", value)?;
        }
        if !self.alias.is_empty() {
            state.serialize_entry("alias", &self.alias)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::structured_aggregation_query::aggregation::Count {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.up_to.is_some() {
            struct __With<'a>(&'a std::option::Option<wkt::Int64Value>);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<std::option::Option<wkt::internal::I64>>::serialize(
                        self.0, serializer,
                    )
                }
            }
            state.serialize_entry("upTo", &__With(&self.up_to))?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::structured_aggregation_query::aggregation::Sum {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.field.is_some() {
            state.serialize_entry("field", &self.field)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::structured_aggregation_query::aggregation::Avg {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.field.is_some() {
            state.serialize_entry("field", &self.field)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::Cursor {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.values.is_empty() {
            state.serialize_entry("values", &self.values)?;
        }
        if !wkt::internal::is_default(&self.before) {
            state.serialize_entry("before", &self.before)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::ExplainOptions {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !wkt::internal::is_default(&self.analyze) {
            state.serialize_entry("analyze", &self.analyze)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::ExplainMetrics {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.plan_summary.is_some() {
            state.serialize_entry("planSummary", &self.plan_summary)?;
        }
        if self.execution_stats.is_some() {
            state.serialize_entry("executionStats", &self.execution_stats)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::PlanSummary {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.indexes_used.is_empty() {
            state.serialize_entry("indexesUsed", &self.indexes_used)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::ExecutionStats {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !wkt::internal::is_default(&self.results_returned) {
            struct __With<'a>(&'a i64);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("resultsReturned", &__With(&self.results_returned))?;
        }
        if self.execution_duration.is_some() {
            state.serialize_entry("executionDuration", &self.execution_duration)?;
        }
        if !wkt::internal::is_default(&self.read_operations) {
            struct __With<'a>(&'a i64);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("readOperations", &__With(&self.read_operations))?;
        }
        if self.debug_stats.is_some() {
            state.serialize_entry("debugStats", &self.debug_stats)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::Write {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if let Some(value) = self.update() {
            state.serialize_entry("update", value)?;
        }
        if let Some(value) = self.delete() {
            state.serialize_entry("delete", value)?;
        }
        if let Some(value) = self.transform() {
            state.serialize_entry("transform", value)?;
        }
        if self.update_mask.is_some() {
            state.serialize_entry("updateMask", &self.update_mask)?;
        }
        if !self.update_transforms.is_empty() {
            state.serialize_entry("updateTransforms", &self.update_transforms)?;
        }
        if self.current_document.is_some() {
            state.serialize_entry("currentDocument", &self.current_document)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::DocumentTransform {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.document.is_empty() {
            state.serialize_entry("document", &self.document)?;
        }
        if !self.field_transforms.is_empty() {
            state.serialize_entry("fieldTransforms", &self.field_transforms)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::document_transform::FieldTransform {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.field_path.is_empty() {
            state.serialize_entry("fieldPath", &self.field_path)?;
        }
        if let Some(value) = self.set_to_server_value() {
            state.serialize_entry("setToServerValue", value)?;
        }
        if let Some(value) = self.increment() {
            state.serialize_entry("increment", value)?;
        }
        if let Some(value) = self.maximum() {
            state.serialize_entry("maximum", value)?;
        }
        if let Some(value) = self.minimum() {
            state.serialize_entry("minimum", value)?;
        }
        if let Some(value) = self.append_missing_elements() {
            state.serialize_entry("appendMissingElements", value)?;
        }
        if let Some(value) = self.remove_all_from_array() {
            state.serialize_entry("removeAllFromArray", value)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::WriteResult {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.update_time.is_some() {
            state.serialize_entry("updateTime", &self.update_time)?;
        }
        if !self.transform_results.is_empty() {
            state.serialize_entry("transformResults", &self.transform_results)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::DocumentChange {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.document.is_some() {
            state.serialize_entry("document", &self.document)?;
        }
        if !self.target_ids.is_empty() {
            struct __With<'a>(&'a std::vec::Vec<i32>);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<std::vec::Vec<wkt::internal::I32>>::serialize(
                        self.0, serializer,
                    )
                }
            }
            state.serialize_entry("targetIds", &__With(&self.target_ids))?;
        }
        if !self.removed_target_ids.is_empty() {
            struct __With<'a>(&'a std::vec::Vec<i32>);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<std::vec::Vec<wkt::internal::I32>>::serialize(
                        self.0, serializer,
                    )
                }
            }
            state.serialize_entry("removedTargetIds", &__With(&self.removed_target_ids))?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::DocumentDelete {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.document.is_empty() {
            state.serialize_entry("document", &self.document)?;
        }
        if !self.removed_target_ids.is_empty() {
            struct __With<'a>(&'a std::vec::Vec<i32>);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<std::vec::Vec<wkt::internal::I32>>::serialize(
                        self.0, serializer,
                    )
                }
            }
            state.serialize_entry("removedTargetIds", &__With(&self.removed_target_ids))?;
        }
        if self.read_time.is_some() {
            state.serialize_entry("readTime", &self.read_time)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::DocumentRemove {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.document.is_empty() {
            state.serialize_entry("document", &self.document)?;
        }
        if !self.removed_target_ids.is_empty() {
            struct __With<'a>(&'a std::vec::Vec<i32>);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<std::vec::Vec<wkt::internal::I32>>::serialize(
                        self.0, serializer,
                    )
                }
            }
            state.serialize_entry("removedTargetIds", &__With(&self.removed_target_ids))?;
        }
        if self.read_time.is_some() {
            state.serialize_entry("readTime", &self.read_time)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for super::ExistenceFilter {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !wkt::internal::is_default(&self.target_id) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("targetId", &__With(&self.target_id))?;
        }
        if !wkt::internal::is_default(&self.count) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("count", &__With(&self.count))?;
        }
        if self.unchanged_names.is_some() {
            state.serialize_entry("unchangedNames", &self.unchanged_names)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}
